Who knew? Wikipedia does. Pretty common term.
The weight was quoted as 29735 lb in 2002 and if you look at this thread in May 2013 you will find that number cited with a source by someone who is familiar to you.
http://www.pprune.org/military-aircr...ml#post7835852
The current 32300 lb figure is in LM's own Fast Facts.
The issue is not whether the jet can make KPPs but growth margin, of which there is none.